* {
  margin: 0;
  padding: 0;
  font-family: "Microsoft YaHei", "微软雅黑", Arial, Helvetica, sans-serif, "宋体";
  font-size: 14px;
}
html,body {height: 100%;}

li {
  list-style: none;
}

// 滚动条
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  border: 1px #d3d3d3 solid;
  box-shadow: 0 0 3px #dfdfdf inset;
  border-radius: 5px;
  background: #eee;
}
::-webkit-scrollbar-thumb {
  border: 1px #808080 solid;
  border-radius: 5px;
  background: #999;
}
::-webkit-scrollbar-thumb:hover {
  background: #7d7d7d;
}

// 通用class
.clear:after {
  display: block;
  content: '';
  clear: both;
}
.fl {
  float: left;
}
.fr {
  float: right;
}